Device for catalytically converting exhaust gases in an exhaust system
First Claim
1. A device for catalytically converting exhaust gases in an exhaust system, comprising:
- an outer jacket tube;
at least one first electrically heatable honeycomb body having a jacket surface and one second honeycomb body, said honeycomb bodies disposed adjacent one another in common in said outer jacket tube for successively conducting an exhaust gas can flow;
at least said first honeycomb body disposed in and spaced apart from said outer jacket tube and having at least one flow distributing structure;
support elements mechanically joining said adjacent honeycomb bodies together and protruding into said honeycomb bodies; and
additional electrically insulating retaining elements each having one end region joined to said jacket surface of said heatable first honeycomb body and another end joined to said adjacent second honeycomb body.
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Accused Products
Abstract
A device for catalytically converting exhaust gases in an exhaust system, especially an exhaust system of an internal combustion engine, preferably for Otto engines, includes at least two honeycomb bodies which are disposed in an outer jacket tube and through which an exhaust gas can flow in succession. The adjacent honeycomb bodies are joined to one another through the use of support elements protruding into the honeycomb bodies. The first honeycomb body is spaced apart relative to the outer jacket tube and has at least two shells joined to a jacket surface of the first honeycomb body, which are each connected to an electrical power lead. Electrically insulating joining elements each have one end joined to a shell and another end joined to the adjacent second honeycomb body. The outer jacket tube has at least one encompassing bead, which rests on a jacket tube of the second adjacent honeycomb body.
21 Citations
22 Claims
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1. A device for catalytically converting exhaust gases in an exhaust system, comprising:
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an outer jacket tube; at least one first electrically heatable honeycomb body having a jacket surface and one second honeycomb body, said honeycomb bodies disposed adjacent one another in common in said outer jacket tube for successively conducting an exhaust gas can flow; at least said first honeycomb body disposed in and spaced apart from said outer jacket tube and having at least one flow distributing structure; support elements mechanically joining said adjacent honeycomb bodies together and protruding into said honeycomb bodies; and additional electrically insulating retaining elements each having one end region joined to said jacket surface of said heatable first honeycomb body and another end joined to said adjacent second honeycomb body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A device for catalytically converting exhaust gases in an exhaust system of an internal combustion engine, comprising:
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an outer jacket tube; at least one first electrically heatable honeycomb body having a jacket surface and one second honeycomb body, said honeycomb bodies disposed adjacent one another in common in said outer jacket tube for successively conducting an exhaust gas can flow; at least said first honeycomb body disposed in and spaced apart from said outer jacket tube and having at least one flow distributing structure; support elements mechanically joining said adjacent honeycomb bodies together and protruding into said honeycomb bodies; and additional electrically insulating retaining elements each having one end region joined to said jacket surface of said heatable first honeycomb body and another end joined, to said adjacent second honeycomb body.
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Specification